Forbid requests generated at least 15 min in the past or in the future (#2648)

This commit is contained in:
Anis Elleuch 2016-09-09 23:33:35 +01:00 committed by Harshavardhana
parent 421cccb1d7
commit 32201a18ab
2 changed files with 11 additions and 3 deletions

View File

@ -198,9 +198,10 @@ func (h timeHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
writeErrorResponse(w, r, apiErr, r.URL.Path)
return
}
// Verify if the request date header is more than 5minutes
// late, reject such clients.
if time.Now().UTC().Sub(amzDate)/time.Minute > time.Duration(5)*time.Minute {
// Verify if the request date header is shifted by less than maxSkewTime parameter in the past
// or in the future, reject request otherwise.
curTime := time.Now().UTC()
if curTime.Sub(amzDate) > maxSkewTime || amzDate.Sub(curTime) > maxSkewTime {
writeErrorResponse(w, r, ErrRequestTimeTooSkewed, r.URL.Path)
return
}

View File

@ -17,6 +17,8 @@
package cmd
import (
"time"
"github.com/fatih/color"
"github.com/minio/minio/pkg/objcache"
)
@ -58,6 +60,11 @@ var (
maxFormFieldSize = int64(1024 * 1024)
)
var (
// The maximum allowed difference between the request generation time and the server processing time
maxSkewTime = 15 * time.Minute
)
// global colors.
var (
colorBlue = color.New(color.FgBlue).SprintfFunc()